[INFO] cloning repository https://github.com/andreachiara/chip8-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreachiara/chip8-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreachiara%2Fchip8-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreachiara%2Fchip8-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4aa48a6fe22a7187161986ff0c3029f1e81d6b0
[INFO] checking andreachiara/chip8-interpreter against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreachiara%2Fchip8-interpreter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andreachiara/chip8-interpreter
[INFO] finished tweaking git repo https://github.com/andreachiara/chip8-interpreter
[INFO] tweaked toml for git repo https://github.com/andreachiara/chip8-interpreter written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andreachiara/chip8-interpreter on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andreachiara/chip8-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.25
[INFO] [stderr]   Downloaded beep v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1
[INFO] running `Command { std: "docker" "start" "3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking beep v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chip8-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::BitXorAssign`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::BitXorAssign;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemTime`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeyEvent` and `KeyModifiers`
[INFO] [stdout]   --> src/main.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crossterm::event::{KeyEvent, KeyModifiers};
[INFO] [stdout]    |                        ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeedableRng` and `random`
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand::{random, SeedableRng};
[INFO] [stdout]    |            ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `DisableMouseCapture`, `EnableMouseCapture`, `Event`, and `QueueableCommand`
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ExecutableCommand, QueueableCommand,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     terminal, cursor, style::{self, Stylize},
[INFO] [stdout] 23 |     Command, event::{poll, read, DisableMouseCapture, EnableMouseCapture,
[INFO] [stdout]    |     ^^^^^^^                      ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |         Event, Event::Key, KeyCode, KeyboardEnhancementFlags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:304:27
[INFO] [stdout]     |
[INFO] [stdout] 304 |         let sumu16: u16 = (self.gpreg.v[vreg_x] as u16 + (self.gpreg.v[vreg_y] as u16));
[INFO] [stdout]     |                           ^                                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 304 -         let sumu16: u16 = (self.gpreg.v[vreg_x] as u16 + (self.gpreg.v[vreg_y] as u16));
[INFO] [stdout] 304 +         let sumu16: u16 = self.gpreg.v[vreg_x] as u16 + (self.gpreg.v[vreg_y] as u16);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |         if ((self.kpad.keys >> self.gpreg.v[vreg_x]) & 0b1 > 0) {
[INFO] [stdout]     |            ^                                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 388 -         if ((self.kpad.keys >> self.gpreg.v[vreg_x]) & 0b1 > 0) {
[INFO] [stdout] 388 +         if (self.kpad.keys >> self.gpreg.v[vreg_x]) & 0b1 > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::BitXorAssign`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::BitXorAssign;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemTime`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeyEvent` and `KeyModifiers`
[INFO] [stdout]   --> src/main.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crossterm::event::{KeyEvent, KeyModifiers};
[INFO] [stdout]    |                        ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeedableRng` and `random`
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand::{random, SeedableRng};
[INFO] [stdout]    |            ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `DisableMouseCapture`, `EnableMouseCapture`, `Event`, and `QueueableCommand`
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ExecutableCommand, QueueableCommand,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     terminal, cursor, style::{self, Stylize},
[INFO] [stdout] 23 |     Command, event::{poll, read, DisableMouseCapture, EnableMouseCapture,
[INFO] [stdout]    |     ^^^^^^^                      ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |         Event, Event::Key, KeyCode, KeyboardEnhancementFlags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:304:27
[INFO] [stdout]     |
[INFO] [stdout] 304 |         let sumu16: u16 = (self.gpreg.v[vreg_x] as u16 + (self.gpreg.v[vreg_y] as u16));
[INFO] [stdout]     |                           ^                                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 304 -         let sumu16: u16 = (self.gpreg.v[vreg_x] as u16 + (self.gpreg.v[vreg_y] as u16));
[INFO] [stdout] 304 +         let sumu16: u16 = self.gpreg.v[vreg_x] as u16 + (self.gpreg.v[vreg_y] as u16);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |         if ((self.kpad.keys >> self.gpreg.v[vreg_x]) & 0b1 > 0) {
[INFO] [stdout]     |            ^                                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 388 -         if ((self.kpad.keys >> self.gpreg.v[vreg_x]) & 0b1 > 0) {
[INFO] [stdout] 388 +         if (self.kpad.keys >> self.gpreg.v[vreg_x]) & 0b1 > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut scr: String = "".to_string();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut scr: String = "".to_string();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut line: String = "".to_string();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut line: String = "".to_string();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scr`
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut scr: String = "".to_string();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/main.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut line: String = "".to_string();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scr`
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut scr: String = "".to_string();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/main.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut line: String = "".to_string();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:442:17
[INFO] [stdout]     |
[INFO] [stdout] 442 |             for i in 0..16 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:442:17
[INFO] [stdout]     |
[INFO] [stdout] 442 |             for i in 0..16 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_display` and `diff_draw` are never used
[INFO] [stdout]    --> src/main.rs:59:8
[INFO] [stdout]     |
[INFO] [stdout]  58 | impl DisplayData {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout]  59 |     fn print_display(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn diff_draw(&self, other: &DisplayData) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `inst_ldk_basic` and `inst_ldk_overcomplex` are never used
[INFO] [stdout]    --> src/main.rs:420:8
[INFO] [stdout]     |
[INFO] [stdout] 247 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 420 |     fn inst_ldk_basic(&mut self, vreg_x: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 432 |     fn inst_ldk_overcomplex(&mut self, vreg_x: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_display` and `diff_draw` are never used
[INFO] [stdout]    --> src/main.rs:59:8
[INFO] [stdout]     |
[INFO] [stdout]  58 | impl DisplayData {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout]  59 |     fn print_display(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn diff_draw(&self, other: &DisplayData) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `inst_ldk_basic` and `inst_ldk_overcomplex` are never used
[INFO] [stdout]    --> src/main.rs:420:8
[INFO] [stdout]     |
[INFO] [stdout] 247 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 420 |     fn inst_ldk_basic(&mut self, vreg_x: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 432 |     fn inst_ldk_overcomplex(&mut self, vreg_x: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         stdout.execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let _ = stdout.execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         stdout.execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let _ = stdout.execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         queue!(stdout, cursor::MoveTo(0, 0), style::PrintStyledContent(scr.blue()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = queue!(stdout, cursor::MoveTo(0, 0), style::PrintStyledContent(scr.blue()));;
[INFO] [stdout]    |         +++++++                                                                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         stdout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let _ = stdout.flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         queue!(stdout, cursor::MoveTo(0, 0), style::PrintStyledContent(scr.blue()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = queue!(stdout, cursor::MoveTo(0, 0), style::PrintStyledContent(scr.blue()));;
[INFO] [stdout]    |         +++++++                                                                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         stdout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let _ = stdout.flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("██".blue()));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         let _ = queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("██".blue()));;
[INFO] [stdout]     |                         +++++++                                                                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                         queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("  ".blue()));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                         let _ = queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("  ".blue()));;
[INFO] [stdout]     |                         +++++++                                                                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("██".blue()));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         let _ = queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("██".blue()));;
[INFO] [stdout]     |                         +++++++                                                                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                         queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("  ".blue()));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                         let _ = queue!(stdout, cursor::MoveTo(x as u16, y as u16), style::PrintStyledContent("  ".blue()));;
[INFO] [stdout]     |                         +++++++                                                                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = stdout.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = stdout.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:850:5
[INFO] [stdout]     |
[INFO] [stdout] 850 |     stdout().execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 850 |     let _ = stdout().execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:859:5
[INFO] [stdout]     |
[INFO] [stdout] 859 | /     execute!(
[INFO] [stdout] 860 | |         stdout(),
[INFO] [stdout] 861 | |         PushKeyboardEnhancementFlags(
[INFO] [stdout] 862 | |             KeyboardEnhancementFlags::REPORT_EVENT_TYPES
[INFO] [stdout] 863 | |         )
[INFO] [stdout] 864 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 859 ~     let _ = execute!(
[INFO] [stdout] 860 |         stdout(),
[INFO] [stdout] ...
[INFO] [stdout] 863 |         )
[INFO] [stdout] 864 ~     );;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:850:5
[INFO] [stdout]     |
[INFO] [stdout] 850 |     stdout().execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 850 |     let _ = stdout().execute(terminal::Clear(terminal::ClearType::All));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:859:5
[INFO] [stdout]     |
[INFO] [stdout] 859 | /     execute!(
[INFO] [stdout] 860 | |         stdout(),
[INFO] [stdout] 861 | |         PushKeyboardEnhancementFlags(
[INFO] [stdout] 862 | |             KeyboardEnhancementFlags::REPORT_EVENT_TYPES
[INFO] [stdout] 863 | |         )
[INFO] [stdout] 864 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 859 ~     let _ = execute!(
[INFO] [stdout] 860 |         stdout(),
[INFO] [stdout] ...
[INFO] [stdout] 863 |         )
[INFO] [stdout] 864 ~     );;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `beep`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | beep = "0.3.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `beep`
[INFO] [stderr] warning: `chip8-interpreter` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1", kill_on_drop: false }`
[INFO] [stdout] 3af02a7b3ca48240c65209c23d9363b6167aa46a111bef8ce86496515b298ad1
